{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001920},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001691","495:4950002264","495:4950002660","480:4800001975","495:4950002309","495:4950002763","495:4950002511","480:4800001354","495:4950002612","495:4950002312","495:4950002664","480:4800001974","495:4950002613","495:4950003056","495:4950002563","480:4800001862","495:4950002713","480:4800006431","480:4800001749","480:4800001293","495:4950002561","495:4950002359","495:4950002663","480:4800001748","495:4950002661"],"twin_admin_codes":[480,495,495,480,495,495,495,480,495,495,495,480,495,495,495,480,495,480,480,480,495,495,495,480,495],"twin_sims":[0.7407943618553765,0.48425855222023334,0.47589727346195626,0.324130784518168,0.30204583193559853,0.29135228716504225,0.2827103736739501,0.2663932507962635,0.24062877863802412,0.21734498065665608,0.19604201568171345,0.18828048910682024,0.17787610345463145,0.16795700148104928,0.16407256485404828,0.16168904124552405,0.16085406685659526,0.14683456152652957,0.1340382225789367,0.13329010962422294,0.12835468023060745,0.12588985972493466,0.12452401315430436,0.12247304474500789,0.12176793748279238],"twin_dists":[0.1006057451244743,0.15640429388837102,0.15827147455521998,0.1949509230166263,0.20096384792313607,0.2039668080959395,0.2064418048975697,0.21124329300960823,0.21921489055550591,0.22691042263626954,0.23445322003055974,0.23734166991356365,0.2413477567527582,0.24532512188895483,0.24692869839759987,0.24792629975882835,0.24827829213958236,0.2543981482309073,0.2603735872240421,0.26073591531931906,0.2631654467722535,0.2644053113077839,0.2651003115335589,0.266154896693178,0.26652056123740553],"n_dims_used":42,"mean_confidence":0.9107918512253534},"coverage":{"mean_confidence":0.9107918512253534,"n_dims_used":42,"similarity_metric":{"field":"twin_sims","kind":"cosine_in_zscored_morphology_space","range":"[-1, 1]; higher = more similar","interpretation":"cosine similarity in the z-scored feature space (n_dims_used dims). High-dimensional cosine concentrates near 0, so absolute values are typically SMALL and are meaningful only RELATIVELY (rank order / vs the cohort) — NOT a 0–1 probability. mean_confidence is the SEPARATE GUM uncertainty weight of the anchor's witnessed features, not a function of the similarities."}},"error":null}}